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| Presentation | 2015-10-22 16:10 [Tutorial Lecture] Review of research activities for thirty years -- Satellite communication, Cognitive radio, Standardization -- Kanshiro Kashiki (KDDI Labs.)  AP2015-104 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The author has been engaged in the research and development activities regarding the wireless communications, since joining KDDI Corporation. The first work is the digitalization of the analog INMARSAT satellite communication, which includes the development of the experimental hardware equipment and field trial test at sea. The specifications of the equipment and experimental results are effectively utilized in new digital INMARSAT system. In the ATR (Advanced Telecommunications Research Institute International), the author was working for the optical inter-satellite communication and the DBF (Digital Beam Forming) antenna. In the technical area of the optical inter-satellite communication, he has developed the high power optical laser transmitter with 100 mW. Moreover, in recent years, efficient use of frequency resources in mobile radio service are required, since number of the user terminals in the cellular phone system has explosively increased. One scheme to resolve such frequency issue is the cognitive radio technique. Since 2005 year, the KDDI R&D Labs. has been engaged in the research project regarding the cognitive radio, which is founded by the Ministry of Internal Affairs and Communications in Japan. The author works as one of key persons. The obtained technical knowledges are contributed to the development of Report in the ITU (International Telecommunication Union). | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | wireless communication system / satellite communication system / cognitive radio / international standardization / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 258, AP2015-104, pp. 55-58, Oct. 2015. | |
| Paper # | AP2015-104 | |
| Date of Issue | 2015-10-15 (AP) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | AP2015-104 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2015-10-22 - 2015-10-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yamaguchi Pref. Roufukukyo-kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antenna and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2015-10-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Review of research activities for thirty years |
| Sub Title (in English) | Satellite communication, Cognitive radio, Standardization |
| Keyword(1) | wireless communication system |
| Keyword(2) | satellite communication system |
| Keyword(3) | cognitive radio |
| Keyword(4) | international standardization |
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| 1st Author's Name | Kanshiro Kashiki |
| 1st Author's Affiliation | KDDI R&D Labs. (KDDI Labs.) |
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| Speaker | Author-1 |
| Date Time | 2015-10-22 16:10:00 |
| Presentation Time | 50 minutes |
| Registration for | AP |
| Paper # | AP2015-104 |
| Volume (vol) | vol.115 |
| Number (no) | no.258 |
| Page | pp.55-58 |
| #Pages | 4 |
| Date of Issue | 2015-10-15 (AP) |
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